SMBJ26CA-13

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TVS diodes, also known as Transient Voltage Suppression diodes, are two-terminal components that can protect various devices from high-energy power impulses caused by transients, electrostatic discharges or short-circuiting. One of the most popular components in this category of diodes is the SMBJ26CA-13.

The SMBJ26CA-13 is a unidirectional low-capacitance TVS diode designed to protect commercial electronic equipment in which high energy transients occur. It also protects data lines from induced transients due to the contact-emission phenomenon coming from the switchgear and other PCB components. It is designed and manufactured with a voltage standoff of 13 volts and clamping voltage of 28 volts.

The SMBJ26CA-13 is designed to protect against high-energy pulses in both the positive and the negative directions. It will conduct current only when the voltage exceeds the specified voltage rating, which is called the Breakdown Voltage (BV) rating. Once this is exceeded, the diode will start to conduct and will then limit the current to its existing capacity.

The SMBJ26CA-13 is a NPN type diode, which means it can provide enhanced protection against high energy power surges. It comes in an SOT-23 package which is hermetically sealed for better protection from the environment. It has a fast switching speed of 1 nanosecond and can handle up to 5 amperes of current.

The SMBJ26CA-13 is mainly used in a variety of commercial electronic equipment such as communications, medical, military, railway, aerospace, and automotive applications. It can be used to protect components such as power supplies, microprocessors, logic circuits, and other sensitive electronic components from surges or overvoltage.

The working principle of this diode is that it works by providing a very low resistance path to ground when the diode is forward biased, usually by a surge or high voltage spike. As a result, the surge voltage is diverted away from the active components or circuits, ensuring that no damage is done to the system.

In summary, the SMBJ26CA-13 is a popular unidirectional low-capacitance TVS diode designed to protect commercial electronic equipment from high-energy power impulses caused by transients, electrostatic discharges or short-circuiting. It has a voltage standoff of 13 volts and a clamping voltage of 28 volts and is mainly used in a variety of applications to protect power supplies, microprocessors, logic circuits and other sensitive electronic components from surges or overvoltage. The diode works by providing a very low resistance path to ground when the diode is forward biased by a surge or high voltage spike, diverting the surge voltage away from the active components or circuits and ensuring that no damage is done to the system.

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